sfo_aerial.jpgThree flights from San Diego to San Francisco International Airport were canceled this morning due to a power outage in Southern California, but regular service is resuming now that power has been restored, an airport duty manager said.

One San Francisco-bound flight each from United, Southwest and Virgin America airlines were canceled after power was knocked out to millions of people in San Diego and Orange counties and parts of Arizona and Baja California, airport duty manager Nancie Parker said.

San Diego Gas & Electric was able to restore power by 3:25 a.m. and San Diego International Airport reopened at about 4:30 a.m.

All flights out of San Francisco are operating normally this morning, Parker said.

The power outage was apparently caused by a major electric transmission system failure in western Arizona and the loss of a key connection with the San Onofre Nuclear Generating Station, according to SDG&E.

Dan McMenamin/Sasha Lekach, Bay City News

12:42 AM: Eleven flights between San Francisco International Airport and San Diego International Airport were canceled Thursday night after a Southern California power outage hit San Diego and Orange counties and parts of Arizona and Baja California.

SFO airport duty manager Bob Rotiski said eight flights headed to San Diego and three flights arriving into SFO from San Diego were canceled throughout Thursday evening and night.

Three carriers fly between SFO and San Diego International including Virgin America, United and Southwest airlines.

There are reports of the SoCal blackout affecting more than one million customers after a power line in Arizona failed. Power was down around 4 p.m. Thursday and is expected to return sometime today.

Sasha Lekach, Bay City News

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